Your new book, Your Life Calling, is about reinvention. Why that subject?
I'm intrigued by change. The most notable moments in my career have been times of transition, and when I saw an off-ramp, I was inclined to take it whether I knew where I was headed or not.
Most people don't have the luxury of reinvention. Isn't it kind of an elitist concern?
Everybody on the sidewalk who's currently 35 is going to be 45 and then 55 and 65. So reimagining the rest of their lives is not something that only the elite are entitled to play with. The...